Add IRunnableObject stub implementation

[Huw Davies]

On Wed, Oct 11, 2006 at 09:00:32AM -0400, Vijay Kiran Kamuju wrote:
> Huw,
> 
> Can you look at the debug log after applying the SupportInfo Patch in
> the bug#6341.

Well of course I see the app QI(IRunnableObject) but that doesn't mean
that it should succeed.

Note there are a bunch of unimplemented methods that get called too.
I'd guess createElement could be important...

Huw.